Firefighters from Palm Bay battled a fierce blaze on Monday, following reports of a major explosion at an agricultural property off Babcock Street. The 4,000-square-foot barn, packed with construction equipment and vehicles, was engulfed in flames when crews arrived. Fortunately, no injuries were reported. So far, investigators say they don’t know what caused it, but it remains under investigation.” State fire investigators are on-site now to try to determine the cause.